You are analyzing two proposed capital investments with the following cash flows: Year Project X Project Y 0 - $20,000 -$20,000 1 12,730 6,670 2 5,660 6,670 3 6,260 6,670 4 1,820 6,670 The cost of capital for both projects is 10 percent. a. Calculate the profitability index (PI) for each project. The PI for project X is______ and the PI for project Y is _____________. b. Which project, or projects, should be accepted if you have unlimited funds to invest? c. Which project should be accepted if they are mutually exclusive